Finding the Third Proportional to 63,310.50 and 138,384

Step by Step Solution

1. Step 1: Write the proportion equation
   63,310.50 : 138,384 = 138,384 : x
2. Step 2: Convert to fraction form
   63,310.50/138,384 = 138,384/x
3. Step 3: Cross multiply
   63,310.50x = 138,384 × 138,384
4. Step 4: Simplify right side
   63,310.50x = 19,150,131,456
5. Step 5: Solve for x
   x = 19,150,131,456/63,310.50
6. Step 6: Final answer
   x = 302,479.55